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drm/i915: Use cmpxchg64 for 32b compatilibity
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 11 Dec 2020 11:03:10 +0000 (11:03 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 23 Dec 2020 10:07:41 +0000 (10:07 +0000)
commitf7693a0fbb80e31c11767f34c323b8aa3b3ba7ce
tree55c91e19ac134c81ba07cdeea166b1b37e7ee638tree | snapshot
parent754ec7594c0efd1aa5d59a8f934be258b625af4ccommit | diff
drm/i915: Use cmpxchg64 for 32b compatilibity

By using the double wide cmpxchg64 on 32bit, we can use the same
algorithm on both 32/64b systems.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201211110310.22740-1-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/i915_active.c diff | blob | history
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